IDENTIFIERS

  • Current Taxon Name (Soil Name): Duluth
  • OSD
  • Series Extent
  • User Site ID: S1996MN137529
  • User Pedon ID: S1996MN137529
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0221
  • NCSS Pedon Lab Data NASIS Record ID - 68696
  • Print Date: 2/17/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 46.8883324
  • Std. Longitude: -92.6416702
  • Datum: WGS84
  • Township: 51N
  • Range: 18W
  • Section: 20
  • PLSS Details: 1500 feet north and 450 feet west of the southeast corner
  • State: Minnesota
  • County: MN137—St. Louis
  • MLRA: 90—Central Wisconsin and Minnesota Thin Loess and Till
  • Non-MLRA Soil Survey Area: MN137—St. Louis County, Minnesota
  • 7.5 Minute USGS Quad: 46092-H6—Brookston NW, Minnesota

    • PEDON

  • Describers Name: Roger Risley, Dave Tufvesson
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Haplic Glossudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 529
  • Correlated Information:
  • Soil Name - Duluth
  • PSC - 33 to 83 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Duluth
  • Taxonomic Class - Fine-loamy, mixed Glossic Eutroboralf
  • Taxon Kind - series
  • Classificaton Date - 9/11/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: moraine
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/11/1996 (actual site observation date)
  • Air Photo ID: 577SE
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    albic horizon

    glossic horizon

    argillic horizon

    8—15

    15—51

    51—97

    —-

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    9

    —

    —

    396

    —

    100

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; fine sandy loam; weak fine granular structure; very friable; moderate permeability; 10.0 very fine and fine roots and 4.0 medium roots and 0.5 coarse roots; 2 percent by volume 2-39-75 millimeter unspecified fragments; abrupt wavy boundary.
    E—8 to 15 centimeters (3.1 to 5.9 inches); grayish brown (10YR 5/2) very fine sandy loam; 1 percent yellowish brown (10YR 5/6) fine prominent and 10 percent light brownish gray (10YR 6/2) fine faint mottles; moderate thin platy structure; very friable; 10.0 very fine and fine roots and 4.0 medium roots; 1 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and in pores; 2 percent by volume 2-39-75 millimeter unspecified fragments; abrupt wavy boundary. Lab sample # 97P01524. discontinuous - phpvsfiid 182873; discontinuous - phpvsfiid 182873
    E/B—15 to 33 centimeters (5.9 to 13.0 inches); 30 percent brown (10YR 4/3); fragments. Lab sample # 97P01525
    E/B—15 to 33 centimeters (5.9 to 13.0 inches); 70 percent brown (10YR 5/3) fine sandy loam; 1 percent yellowish brown (10YR 5/6) medium distinct and 1 percent light brownish gray (10YR 6/2) fine distinct mottles; weak medium subangular blocky parts to weak fine subangular blocky structure; friable; 5.0 very fine and fine roots and 0.5 medium roots; 6 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01525
    2B/E—33 to 51 centimeters (13.0 to 20.1 inches); 30 percent light brownish gray (10YR 6/2); fragments. Lab sample # 97P01526
    2B/E—33 to 51 centimeters (13.0 to 20.1 inches); 70 percent reddish brown (5YR 4/4) clay loam; 1 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium subangular blocky parts to weak fine subangular blocky structure; friable; slow permeability; 0.5 fine and medium roots; 1 percent dark reddish brown (5YR 3/4), moist, clay films in root channels and/or pores; 8 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01526. discontinuous - phpvsfiid 182874; discontinuous - phpvsfiid 182874
    2Bt1—51 to 74 centimeters (20.1 to 29.1 inches); reddish brown (5YR 4/3) clay loam; strong medium subangular blocky parts to strong fine subangular blocky structure; firm; 0.5 fine roots; 55 percent dark reddish brown (5YR 3/3), moist, clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01527. continuous - phpvsfiid 182875; continuous - phpvsfiid 182875
    2Bt2—74 to 97 centimeters (29.1 to 38.2 inches); reddish brown (5YR 4/3) clay loam; strong medium subangular blocky parts to strong fine subangular blocky structure; firm; 0.1 fine roots; 30 percent dark reddish brown (5YR 3/3), moist, clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01528. discontinuous - phpvsfiid 182876; discontinuous - phpvsfiid 182876
    2BC—97 to 117 centimeters (38.2 to 46.1 inches); reddish brown (5YR 4/3) clay loam; moderate coarse prismatic structure; firm; 5 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01529
    2Cd1fr—117 to 163 centimeters (46.1 to 64.2 inches); reddish brown (5YR 4/3) clay loam; massive; firm; 5 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 97P01530. till appears dense with common fractures and cracks
    2Cd2fr—163 to 203 centimeters (64.2 to 79.9 inches); reddish brown (5YR 4/3) loam; massive; firm; 5 percent by volume 2-39-75 millimeter unspecified fragments. Lab sample # 97P01531. till appears dense with common fractures and cracks